Craden Peripherals DP8 guide

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Contents

R I P H E R a L S R P O R a T I O N RevisionAirport HIGHWAY, PENNSAUKEN, NJ Record of Changes Pages AffectedALL DP8 & DP9 Technical Manual Table of Contents Operation Maintenance Theory of Operation Troubleshooting Recommended Spare Parts Recommended Service ToolsMajor Assembly Illustrations & Parts Lists Interface Document CharacteristicsPhysical Characteristics Environment & Standards Installation Procedure Reshipment Operation Ribbon Cartridge Loading Keypad Operation Display OperationKeypad & Display Panel Configuration Configuration Category PressDocument Insertion Printer Parameters DisplayRemarks Communication Parameters Override ParametersDisplay Remarks Service Parameters Diagnostics Power Up Diagnostics Carriage Fault Enhanced DiagnosticsError Conditions Document Jam Self Test Programming Command SummaryHex Command Ascii ESC L ESC HESC K ESC R Print Commands Stops double height print Display Commands Low Density Graphics CommandsHigh Density Graphics Commands DC3 Configuration Commands Status and Keypad CommandsDP XE DJ KB BZ BA Meaning Installing Craden Drivers on Windows 95 orAscii Drivers Installing Craden Drivers on Windows NT, 2000 or XP Installing Craden USB Drivers on Windows NT, 2000 or XPUsing Printer Resident Device Fonts Funct Writing to the Printer LCD DisplayInterfacing Input Buffer Operation Printer Pin PC-25 Pin PC-9 Pin Signal Interface Signals & CablesPin Signal Description Problem Solving No Document Motion Carriage Fault or No Carriage MotionRollers Run at Power-Up or After Document Ejected No Printing or Light Printing Switching Power Supply Carriage Drive AssemblyDocument Drive Assembly Theory of Operation Overview Microprocessor System Keypad/Display AssemblyMain Printed Circuit Board Stepper Motor Drivers Phase a I0A I1A Phase B I0B I1B Current Stepper Motor Drive Circuit U20 15 a Sensors Keypad and Display Refer to Schematic #72135Printhead Drivers Character Printing I L Printhead Drive Circuit Document Feed Roller Cleaning MaintenanceLubrication and Cleaning 5.1.1 Lubrication Sensor Cleaning Cabinet Exterior Cleaning Printhead CleaningDocument Print Area Cleaning Harsh, abrasive cleaners Service Parameter SET-UP Procedure Electrical Adjustments Mechanical Adjustments 5.4.1 Printhead Gap Ribbon Shield Removal / Replacement Ribbon Shield Face Inspection Carriage Shaft Cam and Shaft Rack Carriage Drive Belt TensionDocument Drive Belt Tension Rear Document Roller Spring Force Auto Alignment Gate Ramp Auto Alignment Gate Height Auto Alignment Skew Sensor Calibration Replacement ProceduresFront Document Roller Spring Force Cabinet Keypad Power Supply PCBSensor PCB Display Carriage Drive Belt Document MotorPrinthead Document Drive Belt No Display TroubleshootingBasic Troubleshooting Procedure Defective Keypad Defective Sensor No Document MotionNo Carriage Motion Symptom Condition Remedy No Print or Light PrintPrint Quality Erratic Character Spacing or False Document Jams Missing DotsErratic Document Feed or Mispositioning Interface Inoperative Diagnostic Flowchart Use this flow chart to assist in troubleshooting Recommended Service Tools Recommended Spare PartsDescription PART# Printer Diagram DP8 & DP9 Assembly Tree DWG REV. CAll assemblies not ending in X are used both on DP8 and DP9 Page Page Page Page Page Page Page

Craden Peripherals DP8 technical manual

Models: DP8